Is It An Addiction? Understanding Behavioral Addictions and Brain Reward Systems

When we think of addiction, our minds usually jump straight to substances—drugs, alcohol, or nicotine. But have you ever felt completely powerless over a behavior? Whether it’s endless hours scrolling online, a habit of compulsive shopping, or an inability to step away from a casino table or video game, the feeling of losing control is remarkably the same.

A groundbreaking scientific review published in The American Journal of Drug and Alcohol Abuse titled “Introduction to Behavioral Addictions” explores a profound truth: certain behaviors trigger the exact same reward pathways in the brain as powerful drugs.

If you or someone you love is struggling to break free from a destructive habit, you are not weak-willed—you are dealing with a deeply ingrained neurological cycle. At The River Wellness, we help individuals heal from both chemical and behavioral dependencies. Contact our team today to learn how we can support you.

The core defining feature of any addiction is diminished control. According to the research by Dr. Jon E. Grant and colleagues, a behavioral addiction is characterized by the repeated failure to resist an impulse, drive, or temptation to perform an act that is harmful to oneself or others. While the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) formally recognizes Pathological Gambling as a non-substance addiction, researchers continue to study other patterns of diminished control, including:

• Internet and video game addiction
• Compulsive buying or shopping
• Hypersexuality (compulsive sexual behavior)
• Pathologic skin picking and kleptomania

Q: How is a behavioral addiction different from a normal hobby or habit? A: The key difference lies in the negative consequences and your ability to stop. A hobby brings joy and enhances your life. An addiction interferes with your relationships, career, and finances, yet you continue doing it despite knowing it is causing harm.

Q: Is behavioral addiction just a form of Obsessive-Compulsive Disorder (OCD)? A: No. Research highlights that behavioral addictions are fundamentally driven by impulsivity and the pursuit of a “high” or reward (ego-syntonic). OCD, on the other hand, is driven by extreme anxiety and a desire to avoid harm (ego-dystonic). Over time, however, an addiction can start to feel compulsive as the person engages in the behavior just to feel “normal” or escape distress.

Why do these behaviors feel impossible to stop? The answer lies inside the brain’s mesolimbic dopamine system—frequently called the “reward pathway.”

When an individual engages in a rewarding behavior (like winning a bet, getting “likes” on social media, or buying something new), the brain releases a surge of dopamine. This chemical registers the activity as incredibly important for survival, driving an intense urge to repeat it.

The National Institutes of Health (NIH) archived review points out striking neurobiological overlaps between substance use and behavioral addictions:

1. The Shared Reward Center: Brain imaging studies (fMRI) show that individuals with gambling addictions exhibit diminished activation in the ventral striatum when processing natural rewards. This mirrors the brain activity of alcohol-dependent individuals, meaning they need higher-intensity stimuli to feel a sense of pleasure or reward.
2. Tolerance and Withdrawal: Just as a drug user needs higher doses to achieve a high, people with behavioral addictions report needing to increase the intensity or frequency of their behavior (e.g., placing bigger bets or buying more items) to achieve the same mood-boosting effect. When trying to stop, they frequently experience psychological withdrawal symptoms like irritability, anxiety, and intense cravings.
3. High Genetic Co-occurrence: Family and twin studies suggest that the genetic vulnerabilities making someone prone to substance abuse overlap heavily with those making someone prone to behavioral disorders like gambling or internet addiction.

It is exceptionally rare for an addiction to exist in a vacuum. Because behavioral and substance addictions share the same neurobiological roots, they frequently co-occur.

Data cited in the Grant et al. study reveals staggering statistics regarding lifetime co-occurrence:

• Pathological Gambling: 35% to 63% of individuals also meet criteria for a substance use disorder.
• Kleptomania: 23% to 50% suffer from concurrent substance abuse.
• Internet Addiction: Strongly associated with harmful alcohol use and underlying depression.

Treating only the surface behavior without addressing the underlying chemical dependency—or vice versa—often leads to a relapse. True healing requires comprehensive, concurrent care.

Whether you are struggling with a substance, a compulsive behavior, or a combination of both, recovery is possible. Because the brain’s reward networks are plastic, they can heal and rewire with the right therapeutic interventions.

Effective treatments often include:

• Cognitive Behavioral Therapy (CBT): To identify triggers, re-route automatic reward-seeking thoughts, and develop healthy coping mechanisms.
• Dual-Diagnosis Care: Addressing underlying depression, anxiety, or trauma that fuels the need for escape.
• Supportive Community: Group therapy and ongoing accountability to break the cycle of isolation.

You don’t have to navigate this heavy burden alone. At The River Wellness in Texas, our experienced team provides compassionate, evidence-based care tailored to your unique journey.

If a habit or substance has taken control of your life, reaching out for help is the ultimate sign of strength.

• Call us directly for immediate guidance: Click here to call our team.
• Connect online: Fill out our confidential form on our Contact Page to take the first step toward lasting wellness.

Disclaimer: This blog post is based on insights from the scientific review “Introduction to Behavioral Addictions” published by Jon E. Grant, Marc N. Potenza, Aviv Weinstein, and David A. Gorelick. It is intended strictly for informational and educational purposes.